13426424 has 32 divisors (see below), whose sum is σ = 27613440. Its totient is φ = 6069600.

The previous prime is 13426423. The next prime is 13426429. The reversal of 13426424 is 42462431.

It is a super-2 number, since 2×13426424² = 360537722855552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13426393 and 13426402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13426421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23567 + ... + 24129.

It is an arithmetic number, because the mean of its divisors is an integer number (862920).

Almost surely, 2^13426424 is an apocalyptic number.

It is an amenable number.

13426424 is an abundant number, since it is smaller than the sum of its proper divisors (14187016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13426424 is a wasteful number, since it uses less digits than its factorization.

13426424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 847 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 13426424 is about 3664.2085093510. The cubic root of 13426424 is about 237.6767968902.

Adding to 13426424 its reverse (42462431), we get a palindrome (55888855).

The spelling of 13426424 in words is "thirteen million, four hundred twenty-six thousand, four hundred twenty-four".